Where the distribution is in the form of a bonus issue and the Exercise Notice is lodged with the OCC on or after the date the Option Series has commenced trading "cum bonus" but before the "ex date", delivery shall be effected of the Standard Quantity of the underlying securities, including the bonus securities. Where the accruing bonus securities have yet to be received from the issuer, delivery of the bonus securities shall be effected as soon as the issued accruing bonus securities are received from the issuer.